Help the twin siblings reach the portal located in the cave. Assist the twin siblings in their adventure. Help them reach the chests, open them, and find the key. While searching for the key, collect all the coins. Once you complete all the tasks, reach the door together with your sibling. Hardxel, 2 Player Game, Adventure Game, Mobile Game, Android Game, Arcade Game, Twin Siblings, Treasure Hunt, Key Collection, Cooperative Gameplay, 2D Game, Action, Coins, Chests, Double Jump, Best Mobile Games, Puzzle Game, Exploration, Cave, Portal